1993 Toyota Pickup toy not fun to run

1993 TOYOTA PICKUP
163,000 MILES • 6 CYL • 4WD • MANUAL
Avatar
REHCAET
  • MEMBER
  • 1 POST
engine hesitates at 45mph. i changed the plugs, wires, rotor, distributer cap, and fuel filter.
Apr 21, 2010 at 5:37 PM
Advertisement
Avatar
RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Inspect and test the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard.
Apr 22, 2010 at 2:33 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.